1. Home
  2. Directory
  3. New York
  4. Port Jefferson Station
  5. Internal Medicine
  6. NPI Profile

MATHER FACULTY MEDICAL AFFILIATES, UNIVERSITY FACULTY PRACTICE CORP
NPI 1598607269
Internal Medicine - Gastroenterology in Port Jefferson Station, NY

Active since April 09, 2026
1500 ROUTE 112 BLDG 5, PORT JEFFERSON STATION, NY 11776(631) 828-3400(631) 828-3244 Get Directions Write a Review

NPPES record last updated: April 23, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Apr 23, 2026, Apr 9, 2026 (2 updates tracked since 2026).

About Mather Faculty Medical Affiliates, University Faculty Practice Corp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MATHER FACULTY MEDICAL AFFILIATES, UNIVERSITY FACULTY PRACTICE CORP (NPI 1598607269) is a healthcare organization registered as a gastroenterology in Port Jefferson Station, New York and active in the NPI registry since April 2026. The organization maintains 6 additional practice locations and lists Sharlene Bronstorph, Director, as its authorized official.

NPPES Registry Identity

NPI1598607269
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameMATHER FACULTY MEDICAL AFFILIATES, UNIVERSITY FACULTY PRACTICE CORP
Location Address1500 ROUTE 112 BLDG 5Port Jefferson Station, NY 11776-8055
Mailing Address101 Nicholls RoadStony Brook, NY 11794-0001 · (631) 689-8333 · Fax (631) 751-5971
Phone(631) 828-3400
Fax(631) 828-3244
Organization SubpartNo
Authorized OfficialSharlene BronstorphDirector · (516) 850-3999
Enumeration DateApril 9, 2026
Last NPPES UpdateApril 23, 20262 updates tracked since enumeration
NPPES CertifiedApril 23, 2026
✔ NPI 1598607269 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X
1500 ROUTE 112 BLDG 5, Port Jefferson Station, NY 11776
Open in Google Maps ↗

Secondary Practice Locations 6

Location 1200 Belle Terre RdPort Jefferson, NY 11777-1928 · Phone (631) 474-6000 · Fax (631) 751-5971
Location 26144 Route 25A Ste D21Wading River, NY 11792-2018 · Phone (631) 751-8700 · Fax (631) 751-5971
Location 370 N Country Rd Ste 101Port Jefferson, NY 11777-2161 · Phone (631) 978-7700 · Fax (631) 751-5971
Location 43001 Expressway Dr N Ste 102Islandia, NY 11749-5301 · Phone (631) 751-8700 · Fax (631) 751-5971
Location 5271 Route 25A Ste 1Wading River, NY 11792-2014 · Phone (631) 751-8700 · Fax (631) 929-1762
Location 675 N Country RdPort Jefferson, NY 11777-2119 · Phone (631) 473-1320 · Fax (631) 751-5971

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mather Faculty Medical Affiliates, University Faculty Practice Corp's NPI number?

The NPI number for Mather Faculty Medical Affiliates, University Faculty Practice Corp is 1598607269. It was assigned to this organization in the NPPES registry on April 9, 2026.

Where is Mather Faculty Medical Affiliates, University Faculty Practice Corp located?

Mather Faculty Medical Affiliates, University Faculty Practice Corp is located at 1500 Route 112 Bldg 5, Port Jefferson Station, NY 11776. The listed phone number is (631) 828-3400.

What is Mather Faculty Medical Affiliates, University Faculty Practice Corp's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for Mather Faculty Medical Affiliates, University Faculty Practice Corp was last updated on April 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.